Mechanism of meniscus oscillations and stripe pattern formation in Langmuir-Blodgett films

Article Abstract:

The mechanism of the meniscus oscillations and the stripes formation within the deposited fatty acid monolayer is theoretically analyzed on the basis of a supposition of concentration polarization within the solution during the deposition process. The results reveal that the proposed mechanism corresponds to the observed meniscus behavior during oscillations and agrees with numerous experimental data on adhesion work, contact angles, and maximum monolayer deposition rate.

Monomolecular films, Oscillation, Oscillations, Chemical equations

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Distribution of ionic concentrations and electric field around the three-phase contact at high rates of Langmuir-Blodgett deposition

Article Abstract:

A study for addressing the electric field and ionic concentration distributions developing around the three-phase contact line during the Langmuir-Blodgett deposition of charged monolayers is conducted. The results reveal that, for sufficiently high deposition rates, the subphase composition substantially changes in the immediate locality of the three-phase contact line.

Methods, Design and construction, Polarization (Electricity), Electrodeposition

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Dissociation of fatty acid and counterion binding at the Langmuir monolayer deposition: Theoretical considerations

Article Abstract:

The influence of electrical interactions on the composition of Langmuir films is studied. The overlapping electric double layers in the region close to the three-phase contact line are described, and the instability mechanisms during the Langmuir wetting process are discussed.

Chemistry, Physical and theoretical, Physical chemistry

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